General description This high-performance DEWALT Extreme Masonry Drill Bit is designed for heavy-duty drilling in various materials, including masonry, brick, stone, tiles, and light concrete. It features a durable tungsten carbide tip with copper brazing for enhanced lifespan and resistance to breakage, making it ideal for construction and home improvement projects. Technical specifications Diameter: 16mm Overall Length: 150mm Working Length: 100mm Shank diameter: 9.5mm with three flat surfaces for a secure grip Compatibility and accessories Compatible with hammer drills and rotary drills Designed for use with standard drill chucks Installation Insert the drill bit into the drill's chuck and tighten securely Ensure the drill is set to the appropriate hammer or rotary mode for masonry drilling Usage Mark the drilling point on the material Start drilling at a low speed to ensure accuracy Apply steady pressure without forcing the drill Use appropriate safety equipment, such as goggles